Average annual temperature is 6.5 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -31.0 °C
Number of sunny days: 176 days
Number of rainy days: 137 days
Number of snow days: 52 days
Look at detailed online map of Swan River
* Weather data for Swan River United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.0 | 6.7 | 4.3 | 23.6 | 29.9 | 30.9 | 31.5 | 29.5 | 33.8 | 28.5 | 15.9 | 8.6 |
| Average daytime temperature (°C) | -5.0 | -3.3 | 0.2 | 8.3 | 21.5 | 26.1 | 24.7 | 25.1 | 22.2 | 12.3 | 3.9 | 2.3 |
| Average temperature (°C) | -8.5 | -9.0 | -4.9 | 2.3 | 14.4 | 19.8 | 19.5 | 19.4 | 17.2 | 8.4 | -0.4 | -1.1 |
| Average night temperature (°C) | -11.6 | -14.0 | -9.6 | -2.4 | 8.2 | 14.4 | 14.6 | 14.6 | 13.2 | 5.3 | -3.5 | -3.3 |
| Absolute minimum temperature (°C) | -29.4 | -31.0 | -18.7 | -11.3 | -0.3 | 7.3 | 10.4 | 9.1 | 5.3 | -5.8 | -14.4 | -12.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 6.7 | 7.3 | 7.4 | 11.5 | 12.2 | 12.7 | 10.9 | 7.9 | 6.0 | 4.5 | 3.1 |
| Precipitation (mm) | 28 | 35 | 56 | 92 | 53 | 60 | 54 | 59 | 108 | 50 | 21 | 78 |
| Sunny days | 16 | 16 | 14 | 11 | 21 | 16 | 10 | 17 | 10 | 11 | 18 | 16 |
| Rainy days | 3 | 4 | 5 | 14 | 10 | 14 | 21 | 14 | 20 | 16 | 6 | 10 |
| Snow days | 12 | 8 | 12 | 5 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 5 |
The best time to visit Swan River during the most sunny months:
Months with the longest average daylight duration in Swan River:
The largest precipitation sum in Swan River is at